Bug 2268331 (CVE-2023-52587) - CVE-2023-52587 kernel: IB/ipoib: Fix mcast list locking
Summary: CVE-2023-52587 kernel: IB/ipoib: Fix mcast list locking
Keywords:
Status: NEW
Alias: CVE-2023-52587
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2268332
Blocks: 2268346
TreeView+ depends on / blocked
 
Reported: 2024-03-06 22:27 UTC by Zack Miele
Modified: 2024-04-25 12:45 UTC (History)
50 users (show)

Fixed In Version: kernel 4.19.307, kernel 5.4.269, kernel 5.10.210, kernel 5.15.149, kernel 6.1.77, kernel 6.6.16, kernel 6.7.4, kernel 6.8-rc1
Doc Type: If docs needed, set a value
Doc Text:
A hard lockup flaw was found in the Linux kernel’s IPoIB driver in how a user triggers the ipoib_mcast_join_task() function, caused by invalid priv->multicast_list locking. This flaw allows a local user to crash the system.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Zack Miele 2024-03-06 22:27:59 UTC 
In the Linux kernel, the following vulnerability has been resolved:

IB/ipoib: Fix mcast list locking

The Linux kernel CVE team has assigned CVE-2023-52587 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024030644-CVE-2023-52587-5479@gregkh/T
Comment 1 Zack Miele 2024-03-06 22:28:31 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2268332]
Comment 2 Justin M. Forbes 2024-03-07 23:42:08 UTC 
This was fixed for Fedora with the 6.7.4 stable kernel updates.
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